fix(uiView): Made anim work with angular 1.3

$animate changed to promise-based in angular 1.3. Added an adapter which
passes the callback to $animate, but if a promise is returned, uses the
promise. Prior PR was #1345

Closes #1367
Closes #1345

Author: christopherthielen

src/viewDirective.js

@@ -142,8 +142,14 @@ function $ViewDirective(   $state,   $injector,   $uiViewScroll) {
 
     if ($animate) {
       return {
-        enter: function(element, target, cb) { $animate.enter(element, null, target, cb); },
-        leave: function(element, cb) { $animate.leave(element, cb); }
+        enter: function(element, target, cb) {
+          var promise = $animate.enter(element, null, target, cb);
+          if (promise && promise.then) promise.then(cb);
+        },
+        leave: function(element, cb) {
+          var promise = $animate.leave(element, cb);
+          if (promise && promise.then) promise.then(cb);
+        }
       };
     }